Buzzer BP1770C

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Buzzer BP1770C

Parts shall be measured under one condition (temperature: 5~35 ℃, humidity: 45% ~ 85% R.H., atmospheric pressure: 860 ~ 1060hPa), unless standard conditions (temperature: 25±3 ℃, humidity: 60±10%R.H. atmospheric pressure: 860 ~ 1060hPa) are adjusted.

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Keywords: buzzer | horn | materialized film

Product Description

1. Technical Parameter
Measuring condition
Part shall be measured under a condition (Temperature: 5~35℃, Humidity: 45%~85%R.H., Atmospheric pressure: 860 ~1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ~1060hPa) is regulated to measure.


Resonant Frequency

4000 ±500Hz


Operating Voltage

1 ~25 V p -p


Rated Current

Max. 5 mA , A t 4K Hz 50% duty Square Wave 5 V p -p


Sound Output at 10cm

Min. 80 dB , A t 4K Hz 50% duty Square Wave 5 V p -p



15000 ±30% pF At 1KHz


Operating Temperature

-20 ℃~ +70


Store Temperature

-30 ℃~ +80


Net Weight

Approx 1g




2. Dimensions Unit: mm

*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PBT

3. Electrical And Acoustical Measuring Condition

Recommended Setting

4.Frequency Response

10Vp-p 50% duty Square wave,10cm

5.Reliability Test
After any following tests the part shall meet specifications without any degradation in appearance and performance except SPL. SPL shall not deviate more than -5 dB from the initial value
5.1 Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage Resonant frequency, 1/2 duty Square wave.
5.2 High Temperature Test
The part shall be capable of with standing a storage temperature of +70℃ for 96 hours.
5. 3 Low Temperature Test
The part shall be capable of with standing a storage temperature of -30 ℃ for 96 hours.
5.4 Humidity Test
Temperature:+40 ℃ 3 ℃ Relative Humidity:90% ~ 95% Duration: 48 hours and expend to room temperature for 6 hours
5.5Temperature Shock Test
Temperature:60 ℃/1hour → 25 ℃/3hours →-20 ℃/1hour → 25 ℃/3hours (1cycle)
Total cycle: 10 cycles
5.6 Drop Test
Standard Packaging From 75cm(Drop on hard wood or board of 5cm thick, three sides, cycle
Amplitude: 243 plain.) Vibration: 1.5mm, Duration: 1 hour in each 3 axis


As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. the functional degradation (e.g. spl down) may occur if foreign material enter it.


1. foam board 100PCS/board; Foam board size: f6-703
packing requirements

2. Inner box 1000 PCS/box upper box material number: F6-057 lower box material number: F6--058
3. Outer box 4000 PCS/box material number: F6-022 outer box size 405*40 * 19.5cm
shipping mark requirements

inner box:

outer box:

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